Barcelona seems strong and a good team but, they havent played again a strong team in the short term, so we really dont know if they are really strong or not. This can be the first challenge for them against Bayer Munich, and it hink Bayern can win this match for 3-1 or something like that.
Lewandowsky can score against his former team.
I would say if Lewandowski can score in this match then Barcelona will win today. There is no doubt that Bayern Munich is a renowned and powerful team. But I don't see any way to call the Barcelona team weak this season. Barcelona is a very strong team and they are consistently performing well. And Barcelona's defense is now stronger than Bayern Munich's.
Both teams will want to get points and move to the top of the points table. So it will not be surprising if both teams play defensively and try to draw the match. But we will expect to see many goals in this match